Resistance Revival Chorus, a collective of more than 60 women, fill the TED World Theater with a rhapsodic performance of "The Rich Man's House" and "Woke Up This Morning (With My Mind Stayed on Freedom)." They show us how joy can be an act of resistance.

In the German town of Nördlingen in 1593, innkeeper Maria Höll found herself accused of witchcraft. She was arrested for questioning, and denied the charges. She insisted she wasn't a witch through 62 rounds of torture before her accusers finally released her. Other accused witches weren't so "lucky." Why did these witch hunts occur? Brian A. Pavlac digs into this horrific chapter in human history. [Directed by Lisa LaBracio, narrated by Adrian Dannatt, music by Stephen LaRosa].

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Robert Frost, directed by Ellen Su, music by Stephen LaRosa].

Daniel Lismore's closet is probably a bit different than yours -- his clothes are constructed out of materials ranging from beer cans and plastic crystals to diamonds, royal silks and 2,000-year-old Roman rings. In this striking talk, Lismore shares the vision behind his elaborate ensembles and explores what it's like to live life as a work of art. "Everyone is capable of creating their own masterpiece," he says. "You should try it sometime."

Michael Tubbs is the youngest mayor in American history to represent a city with more than 100,000 people -- and his policies are sparking national conversations. In this rousing talk, he shares how growing up amid poverty and violence in Stockton, California shaped his bold vision for change and his commitment to govern as a neighbor, not a politician. "When we see someone different from us, they should not reflect our fears, our anxieties, our insecurities," he says. "We should see our common humanity."

The Devil has come to town. But don't worry– all he wants to do is stage a magic show. This absurd premise forms the central plot of Mikhail Bulgakov's masterpiece, "The Master and Margarita." Its blend of political satire, historical fiction and occult mysticism has earned a legacy as one of the 20th century's greatest novels– and one of its strangest. Alex Gendler explores the subversive novel. [Directed by Adriatic Animation, narrated by Adrian Dannatt, music by Jure Buljević].

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by Andrea Gibson, directed by Tomás Pichardo-Espaillat, music by WORK PLAY WORK].

Millennials are now the largest, most diverse adult population in the US -- but far too often, they're reduced to the worn-out stereotype of lazy, entitled avocado toast lovers, says author Reniqua Allen. In this revealing talk, she shares overlooked stories of millennials of color, offering a broader, more nuanced view of the generation. "Millennials are not a monolith," she says.

Octopus, squid and cuttlefish -- collectively known as cephalopods -- have strange, massive, distributed brains. What do they do with all that neural power? Dive into the ocean with marine biologist Roger Hanlon, who shares astonishing footage of the camouflaging abilities of cephalopods, which can change their skin color and texture in a flash. Learn how their smart skin, and their ability to deploy it in sophisticated ways, could be evidence of an alternative form of intelligence -- and how it could lead to breakthroughs in AI, fabrics, cosmetics and beyond.

This animation is part of the TED-Ed series, "There's a Poem for That," which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. [Poem by William Butler Yeats, directed by Eoin Duffy, music by Cypher Audio].